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Community Gardening and Healthy Aging: An exploration of nutritional, health, social and sustainability impacts in the UK

This PhD research project explores the potential benefits of community gardens and allotments for healthy aging in the UK, focusing on nutritional, health, social and sustainability outcomes. With increased longevity, there is a growing need for targeted interventions to improve health and mobility in adults and older adults. Most community gardens research has focused on schools, but this project examines impacts specifically in adults, who may experience different benefits due to higher risk of chronic disease and social isolation. The study will examine potential and actual impacts on health, nutrient consumption, social connectedness and sustainability practices in adults involved in allotment and community gardens in Yorkshire. The project involves mixed methods research including qualitative and quantitative data collection, dietary intake analysis, and a related intervention or cohort comparison study. It is a research training opportunity at the intersection of nutrition, public health, psychology and sustainability, where the successful candidate will develop expertise in mixed methods research design, dietary analysis methods, and other subject-specific research skills.

The role of Food Bioactives on Gut Barrier Function and Healthy Aging

This PhD research opportunity at the University of Leeds invites applications in the field of Food Bioactives and Human Health to investigate the role of food bioactive compounds in modulating gut permeability and their implications for aging and chronic disease. The project is ideal for candidates passionate about nutrition science, molecular biology, and the role of diet in disease prevention and health promotion. The integrity of the gut barrier is increasingly recognized as a key factor in maintaining health and preventing age-related diseases. This project will explore how specific bioactive compounds—such as polyphenols, peptides, and other phytochemicals—affect gut permeability and contribute to systemic inflammation, metabolic dysfunction, and chronic conditions including cardiovascular disease, type 2 diabetes, and neurodegeneration. Research objectives include identification and characterisation of bioactive compounds in selected food sources and by-products rich in target bioactives; in vitro mechanistic research to investigate effects of bioactives on gut epithelial integrity and inflammation; exploration of molecular mechanisms linking gut permeability to inflammation and aging; and design/proof of concept for dietary interventions to improve gut barrier function and support healthy aging. This is not a funded project, but applicants can apply for funding separately. Self-funding students are also welcome to apply. Please note there will be a bench fee of £5,000 per year in addition to the tuition fee for this project.